Triangle artist brush



FIG. 1 is a perspective view of a triangle artist brush showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right-side elevation view thereof;

FIG. 5 is a left-side elevation view thereof;

FIG. 6 is a back elevation thereof; and,

FIG. 7 is a front elevation view thereof. 

CLAIM I claim the ornamental design for a triangle artist brush, as shown and described. 